Home / 449,238,253.39-619,980,870.06-248,290,804.90

Finding the Fourth Proportional to 449,238,253.39, 619,980,870.06 and 248,290,804.90

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Solution

The fourth proportional to 449,238,253.39, 619,980,870.06 and 248,290,804.90 is: 342,659,041.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,238,253.39 : 619,980,870.06 = 248,290,804.90 : x
  2. Step 2: Convert to fraction form
    449,238,253.39/619,980,870.06 = 248,290,804.90/x
  3. Step 3: Cross multiply
    449,238,253.39x = 619,980,870.06 × 248,290,804.90
  4. Step 4: Simplify right side
    449,238,253.39x = 153,935,549,249,799,712
  5. Step 5: Solve for x
    x = 153,935,549,249,799,712/449,238,253.39
  6. Step 6: Final answer
    x = 342,659,041.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.